C++ AnimatedModel类代码示例

Node* GameApplication::add_object(Node* pParentNode, const String& nodeName,enObjectType type,float x,float y,float z,const char* modelUrl,const char* material)
{
	ResourceCache* cache = GetSubsystem<ResourceCache>();

	Node* pNode = pParentNode->CreateChild(nodeName);
	pNode->SetPosition(Vector3(x, y, z));

	if(type == enObjectType_StaticModel)
	{
		StaticModel* pModel = pNode->CreateComponent<StaticModel>();
		pModel->SetModel(cache->GetResource<Model>(modelUrl));
		if(material != NULL)
			pModel->SetMaterial(0,cache->GetResource<Material>(material));

		pModel->SetCastShadows(true);
	}
	else
	{
		AnimatedModel* pAniModel = pNode->CreateComponent<AnimatedModel>();
		pAniModel->SetModel(cache->GetResource<Model>(modelUrl));
		if(material != NULL)
			pAniModel->SetMaterial(0,cache->GetResource<Material>(material));

		pAniModel->SetCastShadows(true);
	}

	return pNode;
}

bool AnimationController::FadeOthers(const String& name, float targetWeight, float fadeTime)
{
    unsigned index;
    AnimationState* state;
    FindAnimation(name, index, state);
    if (index == M_MAX_UNSIGNED || !state)
        return false;
    
    AnimatedModel* model = GetComponent<AnimatedModel>();
    unsigned char layer = state->GetLayer();
    
    bool needUpdate = false;
    for (unsigned i = 0; i < animations_.Size(); ++i)
    {
        if (i != index)
        {
            AnimationControl& control = animations_[i];
            AnimationState* otherState = model->GetAnimationState(control.hash_);
            if (otherState && otherState->GetLayer() == layer)
            {
                control.targetWeight_ = Clamp(targetWeight, 0.0f, 1.0f);
                control.fadeTime_ = fadeTime;
                needUpdate = true;
            }
        }
    }
    
    if (needUpdate)
        MarkNetworkUpdate();
    return true;
}

void RagDoll::Activate()
{
	//turn the whole thing on
	//pawn_->GetNode()->RemoveComponent<RigidBody>();
    //pawn_->GetNode()->RemoveComponent<CollisionShape>();
	//pawn_->GetNode()->RemoveComponent(pawn_->GetBody());//remove the main components
    //pawn_->GetNode()->RemoveComponent(pawn_->GetShape());//remove the main components
    //if(node_->HasComponent<RigidBody>())
    //{
    
    //GetSubsystem<DebugHud>()->SetAppStats("state:", name_ );
    node_->RemoveComponent<RigidBody>();
    node_->RemoveComponent<CollisionShape>();
    
    //}

    AnimatedModel* model = node_->GetComponent<AnimatedModel>();
    Skeleton& skeleton = model->GetSkeleton();
    for (unsigned i = 0; i < skeleton.GetNumBones(); ++i)
    	skeleton.GetBone(i)->animated_ = false;

   	for (unsigned i = 0; i < boneNode_.Size(); ++i)
   	{
        //URHO3D_LOGINFO(String(i));
   		RigidBody* rb = boneNode_[i]->GetComponent<RigidBody>();
   		rb->SetTrigger(false);
        rb->SetMass(1.0f);
   	}
}

const PODVector<unsigned char>& AnimationController::GetNetAnimationsAttr() const
{
    attrBuffer_.Clear();

    AnimatedModel* model = GetComponent<AnimatedModel>();

    unsigned validAnimations = 0;
    for (Vector<AnimationControl>::ConstIterator i = animations_.Begin(); i != animations_.End(); ++i)
    {
        if (GetAnimationState(i->hash_))
            ++validAnimations;
    }

    attrBuffer_.WriteVLE(validAnimations);
    for (Vector<AnimationControl>::ConstIterator i = animations_.Begin(); i != animations_.End(); ++i)
    {
        AnimationState* state = GetAnimationState(i->hash_);
        if (!state)
            continue;

        unsigned char ctrl = 0;
        Bone* startBone = state->GetStartBone();
        if (state->IsLooped())
            ctrl |= CTRL_LOOPED;
        if (startBone && model && startBone != model->GetSkeleton().GetRootBone())
            ctrl |= CTRL_STARTBONE;
        if (i->autoFadeTime_ > 0.0f)
            ctrl |= CTRL_AUTOFADE;
        if (i->removeOnCompletion_)
            ctrl |= CTRL_REMOVEONCOMPLETION;
        if (i->setTimeTtl_ > 0.0f)
            ctrl |= CTRL_SETTIME;
        if (i->setWeightTtl_ > 0.0f)
            ctrl |= CTRL_SETWEIGHT;

        attrBuffer_.WriteString(i->name_);
        attrBuffer_.WriteUByte(ctrl);
        attrBuffer_.WriteUByte(state->GetLayer());
        attrBuffer_.WriteShort((short)Clamp(i->speed_ * 2048.0f, -32767.0f, 32767.0f));
        attrBuffer_.WriteUByte((unsigned char)(i->targetWeight_ * 255.0f));
        attrBuffer_.WriteUByte((unsigned char)Clamp(i->fadeTime_ * 64.0f, 0.0f, 255.0f));
        if (ctrl & CTRL_STARTBONE)
            attrBuffer_.WriteStringHash(startBone->nameHash_);
        if (ctrl & CTRL_AUTOFADE)
            attrBuffer_.WriteUByte((unsigned char)Clamp(i->autoFadeTime_ * 64.0f, 0.0f, 255.0f));
        if (ctrl & CTRL_SETTIME)
        {
            attrBuffer_.WriteUByte(i->setTimeRev_);
            attrBuffer_.WriteUShort(i->setTime_);
        }
        if (ctrl & CTRL_SETWEIGHT)
        {
            attrBuffer_.WriteUByte(i->setWeightRev_);
            attrBuffer_.WriteUByte(i->setWeight_);
        }
    }

    return attrBuffer_.GetBuffer();
}

bool AnimationController::SetStartBone(const String& name, const String& startBoneName)
{
    AnimationState* state = FindAnimationState(name);
    if (!state)
        return false;
    
    AnimatedModel* model = GetComponent<AnimatedModel>();
    Bone* bone = model->GetSkeleton().GetBone(startBoneName);
    state->SetStartBone(bone);
    MarkNetworkUpdate();
    return true;
}

void StaticModel::SetModel(Model* model)
{
    if (model == model_)
        return;

    // If script erroneously calls StaticModel::SetModel on an AnimatedModel, warn and redirect
    if (GetType() == AnimatedModel::GetTypeStatic())
    {
        ATOMIC_LOGWARNING("StaticModel::SetModel() called on AnimatedModel. Redirecting to AnimatedModel::SetModel()");
        AnimatedModel* animatedModel = static_cast<AnimatedModel*>(this);
        animatedModel->SetModel(model);
        return;
    }

    // Unsubscribe from the reload event of previous model (if any), then subscribe to the new
    if (model_)
        UnsubscribeFromEvent(model_, E_RELOADFINISHED);

    model_ = model;

    if (model)
    {
        SubscribeToEvent(model, E_RELOADFINISHED, ATOMIC_HANDLER(StaticModel, HandleModelReloadFinished));

        // Copy the subgeometry & LOD level structure
        SetNumGeometries(model->GetNumGeometries());
        const Vector<Vector<SharedPtr<Geometry> > >& geometries = model->GetGeometries();
        const PODVector<Vector3>& geometryCenters = model->GetGeometryCenters();
        const Matrix3x4* worldTransform = node_ ? &node_->GetWorldTransform() : (const Matrix3x4*)0;
        for (unsigned i = 0; i < geometries.Size(); ++i)
        {
            batches_[i].worldTransform_ = worldTransform;
            geometries_[i] = geometries[i];
            geometryData_[i].center_ = geometryCenters[i];

            // ATOMIC BEGIN
            geometryData_[i].enabled_ = true;
            geometryData_[i].batchGeometry_ = 0;
            // ATOMIC END

        }

        SetBoundingBox(model->GetBoundingBox());
        ResetLodLevels();
    }
    else
    {
        SetNumGeometries(0);
        SetBoundingBox(BoundingBox());
    }

    MarkNetworkUpdate();
}

bool ModelImporter::ImportAnimation(const String& filename, const String& name, float startTime, float endTime)
{
    SharedPtr<OpenAssetImporter> importer(new OpenAssetImporter(context_));

    //importer->SetVerboseLog(true);

    importer->SetScale(scale_);
    importer->SetExportAnimations(true);
    importer->SetStartTime(startTime);
    importer->SetEndTime(endTime);

    if (importer->Load(filename))
    {
        importer->ExportModel(asset_->GetCachePath(), name, true);

        const Vector<OpenAssetImporter::AnimationInfo>& infos = importer->GetAnimationInfos();

        for (unsigned i = 0; i < infos.Size(); i++)
        {
            const OpenAssetImporter::AnimationInfo& info = infos.At(i);

            String pathName, fileName, extension;

            SplitPath(info.cacheFilename_, pathName, fileName, extension);

            ResourceCache* cache = GetSubsystem<ResourceCache>();

            AnimatedModel* animatedModel = importNode_->GetComponent<AnimatedModel>();

            if (animatedModel)
            {
                Model* model = animatedModel->GetModel();

                if (model)
                {
                    SharedPtr<Animation> animation = cache->GetTempResource<Animation>(fileName + extension);
                    if (animation)
                        model->AddAnimationResource(animation);
                }

            }

            LOGINFOF("Import Info: %s : %s", info.name_.CString(), fileName.CString());
        }

        return true;
    }

    return false;

}

AnimationState* AnimationController::AddAnimationState(Animation* animation)
{
    if (!animation)
        return 0;

    // Model mode
    AnimatedModel* model = GetComponent<AnimatedModel>();
    if (model)
        return model->AddAnimationState(animation);

    // Node hierarchy mode
    SharedPtr<AnimationState> newState(new AnimationState(node_, animation));
    nodeAnimationStates_.Push(newState);
    return newState;
}

void Mover::Update(float timeStep)
{
    node_->Translate(Vector3::FORWARD * moveSpeed_ * timeStep);

    // If in risk of going outside the plane, rotate the model right
    Vector3 pos = node_->GetPosition();
    if (pos.x_ < bounds_.min_.x_ || pos.x_ > bounds_.max_.x_ || pos.z_ < bounds_.min_.z_ || pos.z_ > bounds_.max_.z_)
        node_->Yaw(rotationSpeed_ * timeStep);

    // Get the model's first (only) animation state and advance its time. Note the convenience accessor to other components
    // in the same scene node
    AnimatedModel* model = GetComponent<AnimatedModel>();
    if (model->GetNumAnimationStates())
    {
        AnimationState* state = model->GetAnimationStates()[0];
        state->AddTime(timeStep);
    }
}

void CharacterDemo::CreateCharacter()
{
    ResourceCache* cache = GetSubsystem<ResourceCache>();

    Node* objectNode = scene_->CreateChild("Jack");
    objectNode->SetPosition(Vector3(0.0f, 1.0f, 0.0f));

    // spin node
    Node* adjustNode = objectNode->CreateChild("AdjNode");
    adjustNode->SetRotation( Quaternion(180, Vector3(0,1,0) ) );
    
    // Create the rendering component + animation controller
    AnimatedModel* object = adjustNode->CreateComponent<AnimatedModel>();
    object->SetModel(cache->GetResource<Model>("Models/Mutant/Mutant.mdl"));
    object->SetMaterial(cache->GetResource<Material>("Models/Mutant/Materials/mutant_M.xml"));
    object->SetCastShadows(true);
    adjustNode->CreateComponent<AnimationController>();

    // Set the head bone for manual control
    object->GetSkeleton().GetBone("Mutant:Head")->animated_ = false;

    // Create rigidbody, and set non-zero mass so that the body becomes dynamic
    RigidBody* body = objectNode->CreateComponent<RigidBody>();
    body->SetCollisionLayer(1);
    body->SetMass(1.0f);

    // Set zero angular factor so that physics doesn't turn the character on its own.
    // Instead we will control the character yaw manually
    body->SetAngularFactor(Vector3::ZERO);

    // Set the rigidbody to signal collision also when in rest, so that we get ground collisions properly
    body->SetCollisionEventMode(COLLISION_ALWAYS);

    // Set a capsule shape for collision
    CollisionShape* shape = objectNode->CreateComponent<CollisionShape>();
    shape->SetCapsule(0.7f, 1.8f, Vector3(0.0f, 0.9f, 0.0f));

    // Create the character logic component, which takes care of steering the rigidbody
    // Remember it so that we can set the controls. Use a WeakPtr because the scene hierarchy already owns it
    // and keeps it alive as long as it's not removed from the hierarchy
    character_ = objectNode->CreateComponent<Character>();
}

void AnimationController::StopLayer(unsigned char layer, float fadeOutTime)
{
    AnimatedModel* model = GetComponent<AnimatedModel>();
    if (!model)
        return;
    
    bool needUpdate = false;
    for (Vector<AnimationControl>::Iterator i = animations_.Begin(); i != animations_.End(); ++i)
    {
        AnimationState* state = model->GetAnimationState(i->hash_);
        if (state && state->GetLayer() == layer)
        {
            i->targetWeight_ = 0.0f;
            i->fadeTime_ = fadeOutTime;
            needUpdate = true;
        }
    }
    
    if (needUpdate)
        MarkNetworkUpdate();
}

void Mover::HandleSceneUpdate(StringHash eventType, VariantMap& eventData)
{
    // Get the timestep from the update event
    using namespace SceneUpdate;
    float timeStep = eventData[P_TIMESTEP].GetFloat();
    
    node_->TranslateRelative(Vector3::FORWARD * moveSpeed_ * timeStep);
    
    // If in risk of going outside the plane, rotate the model right
    Vector3 pos = node_->GetPosition();
    if (pos.x_ < bounds_.min_.x_ || pos.x_ > bounds_.max_.x_ || pos.z_ < bounds_.min_.z_ || pos.z_ > bounds_.max_.z_)
        node_->Yaw(rotationSpeed_ * timeStep);
    
    // Get the model's first (only) animation state and advance its time. Note the convenience accessor to other components
    // in the same scene node
    AnimatedModel* model = GetComponent<AnimatedModel>();
    if (model->GetNumAnimationStates())
    {
        AnimationState* state = model->GetAnimationStates()[0];
        state->AddTime(timeStep);
    }
}

void AnimationController::RemoveAnimationState(AnimationState* state)
{
    if (!state)
        return;

    // Model mode
    AnimatedModel* model = GetComponent<AnimatedModel>();
    if (model)
    {
        model->RemoveAnimationState(state);
        return;
    }

    // Node hierarchy mode
    for (Vector<SharedPtr<AnimationState> >::Iterator i = nodeAnimationStates_.Begin(); i != nodeAnimationStates_.End(); ++i)
    {
        if ((*i) == state)
        {
            nodeAnimationStates_.Erase(i);
            return;
        }
    }
}

bool AnimationController::Play(const String& name, unsigned char layer, bool looped, float fadeInTime)
{
    AnimatedModel* model = GetComponent<AnimatedModel>();
    if (!model)
        return false;
    
    // Check if already exists
    unsigned index;
    AnimationState* state;
    FindAnimation(name, index, state);
    
    if (!state)
    {
        Animation* newAnimation = GetSubsystem<ResourceCache>()->GetResource<Animation>(name);
        state = model->AddAnimationState(newAnimation);
        if (!state)
            return false;
    }
    
    if (index == M_MAX_UNSIGNED)
    {
        AnimationControl newControl;
        Animation* animation = state->GetAnimation();
        newControl.hash_ = animation->GetNameHash();
        animations_.Push(newControl);
        index = animations_.Size() - 1;
    }
    
    state->SetLayer(layer);
    state->SetLooped(looped);
    animations_[index].targetWeight_ = 1.0f;
    animations_[index].fadeTime_ = fadeInTime;
    
    MarkNetworkUpdate();
    return true;
}

bool ModelImporter::Import()
{

    String ext = asset_->GetExtension();
    String modelAssetFilename = asset_->GetPath();

    importNode_ = new Node(context_);

    if (ext == ".mdl")
    {
        FileSystem* fs = GetSubsystem<FileSystem>();
        ResourceCache* cache = GetSubsystem<ResourceCache>();

        // mdl files are native file format that doesn't need to be converted
        // doesn't allow scale, animations legacy primarily for ToonTown

        if (!fs->Copy(asset_->GetPath(), asset_->GetCachePath() + ".mdl"))
        {
            importNode_= 0;
            return false;
        }

        Model* mdl = cache->GetResource<Model>( asset_->GetCachePath() + ".mdl");

        if (!mdl)
        {
            importNode_= 0;
            return false;
        }

        // Force a reload, though file watchers will catch this delayed and load again
        cache->ReloadResource(mdl);

        importNode_->CreateComponent<StaticModel>()->SetModel(mdl);
    }
    else
    {
        // skip external animations, they will be brought in when importing their
        // corresponding model

        if (!modelAssetFilename.Contains("@"))
        {
            ImportModel();

            if (importAnimations_)
            {
                ImportAnimations();
            }

            AnimatedModel* animatedModel = importNode_->GetComponent<AnimatedModel>();
            if (animatedModel)
            {
                Model* model = animatedModel->GetModel();
                if (model && model->GetAnimationCount())
                {
                    // resave with animation info

                    File mdlFile(context_);
                    if (!mdlFile.Open(asset_->GetCachePath() + ".mdl", FILE_WRITE))
                    {
                        ErrorExit("Could not open output file " + asset_->GetCachePath() + ".mdl");
                        return false;
                    }

                    model->Save(mdlFile);
                }
            }
        }
    }


    File outFile(context_);

    if (!outFile.Open(asset_->GetCachePath(), FILE_WRITE))
        ErrorExit("Could not open output file " + asset_->GetCachePath());

    importNode_->SaveXML(outFile);

    importNode_ = 0;

    return true;
}